[PATCH 13/15] accel/ivpu: Increase autosuspend delay to 100ms on 40xx

Jacek Lawrynowicz jacek.lawrynowicz at linux.intel.com
Tue Jun 11 12:04:30 UTC 2024


From: Andrzej Kacprowski <Andrzej.Kacprowski at intel.com>

The new HW is more power efficient and there is no
need to enter the D0i3/D3 so quickly. Increasing
autosuspend delay reduces latency in certain usage
scenarios.

Signed-off-by: Andrzej Kacprowski <Andrzej.Kacprowski at intel.com>
Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz at linux.intel.com>
---
 drivers/accel/ivpu/ivpu_hw.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/accel/ivpu/ivpu_hw.c b/drivers/accel/ivpu/ivpu_hw.c
index a4a13ac67047..27f0fe4d54e0 100644
--- a/drivers/accel/ivpu/ivpu_hw.c
+++ b/drivers/accel/ivpu/ivpu_hw.c
@@ -99,7 +99,10 @@ static void timeouts_init(struct ivpu_device *vdev)
 		vdev->timeout.boot = 1000;
 		vdev->timeout.jsm = 500;
 		vdev->timeout.tdr = 2000;
-		vdev->timeout.autosuspend = 10;
+		if (ivpu_hw_ip_gen(vdev) == IVPU_HW_IP_37XX)
+			vdev->timeout.autosuspend = 10;
+		else
+			vdev->timeout.autosuspend = 100;
 		vdev->timeout.d0i3_entry_msg = 5;
 	}
 }
-- 
2.45.1



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